/* 响应式设计 - 增强版，符合UI设计方案 */

/* CSS变量定义 */
:root {
  --mobile-breakpoint: 768px;
  --tablet-breakpoint: 992px;
  --desktop-breakpoint: 1200px;
  --large-desktop-breakpoint: 1400px;
  
  --mobile-padding: 1rem;
  --tablet-padding: 1.5rem;
  --desktop-padding: 2rem;
  
  --mobile-font-size: 0.875rem;
  --desktop-font-size: 1rem;
}

/* 基础响应式设置 */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px; /* 基础字体大小 */
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 超小设备 (手机, 小于576px) - 增强版 */
@media (max-width: 575.98px) {
  html { font-size: 14px; }
  
  .container {
    padding-left: var(--mobile-padding);
    padding-right: var(--mobile-padding);
    max-width: 100%;
  }
  
  /* 页面标题优化 */
  .page-title {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 1rem;
  }
  
  /* 统计卡片优化 */
  .stat-card {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
  }
  
  .stat-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .stat-card p {
    font-size: 0.875rem;
    margin-bottom: 0;
  }
  
  /* 快捷访问项优化 */
  .quick-access-item {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
  }
  
  .quick-access-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    margin-right: 0.75rem;
  }
  
  /* 侧边栏优化 - 抽屉式 */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(280px, 80vw);
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border-color);
    z-index: 1050;
    overflow-y: auto;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  
  .sidebar.active {
    transform: translateX(0);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  }
  
  /* 抽屉遮罩 */
  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  /* 侧边栏切换按钮 */
  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: 44px;
    height: 44px;
    background: var(--glass-primary-light);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--primary);
    z-index: 1060;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    touch-action: manipulation;
  }
  
  .sidebar-toggle:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
  }
  
  /* 主内容区优化 */
  .main-content {
    margin-left: 0;
    margin-top: 0;
    width: 100%;
    min-height: 100vh;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* 头部操作优化 */
  .header {
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1020;
  }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .search-bar {
    flex: 1;
    min-width: 120px;
    max-width: 200px;
  }
  
  .search-bar input {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
  }
  
  /* 按钮优化 */
  .btn {
    min-height: 44px;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    touch-action: manipulation;
  }
  
  .btn-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
  }
  
  /* Widget优化 */
  .widget-container {
    margin-bottom: 1rem;
  }
  
  .widget-manage-btn {
    bottom: 1rem;
    right: 1rem;
    width: 56px;
    height: 56px;
  }
  
  .widget-toolbar {
    width: calc(100vw - 2rem);
    max-width: 320px;
    top: auto;
    bottom: 80px;
    right: 1rem;
    transform: translateY(100%);
  }
  
  .widget-toolbar.show {
    transform: translateY(0);
  }
}

/* 小设备 (手机横屏, 576px及以上) */
@media (min-width: 576px) and (max-width: 767.98px) {
  .container {
    max-width: 540px;
  }
  
  .stat-card {
    margin-bottom: 20px;
  }
  
  .quick-access-item {
    padding: 12px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border-color);
    z-index: 1000;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .main-content {
    margin-left: 0;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease-in-out;
  }
  
  .main-content.shifted {
    transform: translateX(var(--sidebar-width));
  }
  
  .header-actions {
    gap: 10px;
  }
  
  .search-bar {
    width: 150px;
  }
  
  .search-bar input {
    width: 130px;
  }
  
  /* 顶部菜单布局 */
  .topmenu-layout .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    transform: none !important;
  }
  
  .topmenu-layout .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  
  .topmenu-layout .nav-group {
    display: flex;
    align-items: center;
  }
  
  .topmenu-layout .nav-group-title {
    display: none;
  }
  
  .topmenu-layout .nav-item {
    width: auto;
    padding: 10px 15px;
  }
  
  .topmenu-layout .main-content {
    margin-left: 0;
  }
}

/* 中等设备 (平板, 768px及以上) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .container {
    max-width: 720px;
  }
  
  .stat-card {
    margin-bottom: 20px;
  }
  
  .quick-access-item {
    padding: 12px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border-color);
    z-index: 1000;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .main-content {
    margin-left: 0;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease-in-out;
  }
  
  .main-content.shifted {
    transform: translateX(var(--sidebar-width));
  }
  
  .header-actions {
    gap: 15px;
  }
  
  .search-bar {
    width: 180px;
  }
  
  .search-bar input {
    width: 160px;
  }
  
  .activity-item {
    padding: 15px 0;
  }
  
  /* 顶部菜单布局 */
  .topmenu-layout .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    transform: none !important;
  }
  
  .topmenu-layout .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  
  .topmenu-layout .nav-group {
    display: flex;
    align-items: center;
  }
  
  .topmenu-layout .nav-group-title {
    display: none;
  }
  
  .topmenu-layout .nav-item {
    width: auto;
    padding: 10px 15px;
  }
  
  .topmenu-layout .main-content {
    margin-left: 0;
  }
}

/* 大设备 (桌面, 992px及以上) */
@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(0) !important;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border-color);
    transition: width 0.3s ease, transform 0.3s ease;
  }
  
  /* 侧边栏折叠状态 */
  .sidebar.sidebar-collapsed {
    width: 80px;
    overflow: hidden;
  }
  
  /* 折叠时隐藏文字，只显示图标 */
  .sidebar.sidebar-collapsed .sidebar-header h1,
  .sidebar.sidebar-collapsed .nav-group-title,
  .sidebar.sidebar-collapsed .nav-item span,
  .sidebar.sidebar-collapsed .sidebar-footer .user-info {
    display: none;
  }
  
  /* 折叠时的导航项样式 */
  .sidebar.sidebar-collapsed .nav-item {
    justify-content: center;
    padding: 0.75rem 0;
    margin: 2px 4px;
  }
  
  /* 折叠时的图标居中 */
  .sidebar.sidebar-collapsed .nav-item i {
    margin-right: 0;
    font-size: 1.2em;
  }
  
  /* 侧边栏切换按钮在大设备上显示 */
  .sidebar-toggle {
    display: flex !important;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1070;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  }
  
  .sidebar-toggle:hover {
    background: var(--primary-dark, #0056b3);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  /* 当侧边栏折叠时，切换按钮位置调整 */
  .sidebar.sidebar-collapsed ~ .sidebar-toggle,
  .sidebar-collapsed .sidebar-toggle {
    left: 90px; /* 80px侧边栏宽度 + 10px间距 */
  }
  
  .main-content {
    margin-left: var(--sidebar-width) !important;
    position: relative;
    z-index: 1;
    transition: margin-left 0.3s ease, width 0.3s ease;
    width: calc(100% - var(--sidebar-width)) !important;
  }
  
  /* 主内容区域在侧边栏折叠时的样式 - 增强优先级 */
  .sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width) !important;
    width: calc(100% - var(--sidebar-collapsed-width)) !important;
  }
  
  .header-actions {
    gap: 20px;
  }
  
  .search-bar {
    width: auto;
    min-width: 150px;
    max-width: 300px;
  }
  
  .search-bar input {
    width: 100%;
  }
  
  /* 顶部菜单布局 */
  .topmenu-layout .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    transform: none !important;
  }
  
  .topmenu-layout .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  
  .topmenu-layout .nav-group {
    display: flex;
    align-items: center;
  }
  
  .topmenu-layout .nav-group-title {
    display: none;
  }
  
  .topmenu-layout .nav-item {
    width: auto;
    padding: 10px 15px;
  }
  
  .topmenu-layout .main-content {
    margin-left: 0;
  }
  
  /* 顶部菜单布局时隐藏侧边栏切换按钮 */
  .topmenu-layout .sidebar-toggle {
    display: none !important;
  }
}

/* 超大设备 (大桌面, 1200px及以上) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border-color);
    transition: width 0.3s ease;
  }
  
  /* 侧边栏折叠状态 */
  .sidebar.sidebar-collapsed {
    width: 80px;
    overflow: hidden;
  }
  
  .main-content {
    margin-left: var(--sidebar-width) !important;
    position: relative;
    z-index: 1;
    transition: margin-left 0.3s ease, width 0.3s ease;
    width: calc(100% - var(--sidebar-width)) !important;
  }
  
  /* 主内容区域在侧边栏折叠时的样式 - 增强优先级 */
  .sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width) !important;
    width: calc(100% - var(--sidebar-collapsed-width)) !important;
  }
  
  .search-bar {
    width: calc(var(--sidebar-width) - 30px); /* 略小于侧边栏宽度，预留边距 */
  }
  
  .search-bar input {
    width: 230px;
  }
  
  /* 顶部菜单布局 */
  .topmenu-layout .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    transform: none !important;
  }
  
  .topmenu-layout .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  
  .topmenu-layout .nav-group {
    display: flex;
    align-items: center;
  }
  
  .topmenu-layout .nav-group-title {
    display: none;
  }
  
  .topmenu-layout .nav-item {
    width: auto;
    padding: 10px 15px;
  }
  
  .topmenu-layout .main-content {
    margin-left: 0;
  }
  
  /* 顶部菜单布局时隐藏侧边栏切换按钮 */
  .topmenu-layout .sidebar-toggle {
    display: none !important;
  }
}

/* 超超大设备 (超大桌面, 1400px及以上) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  /* 顶部菜单布局 */
  .topmenu-layout .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    transform: none !important;
  }
  
  .topmenu-layout .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  
  .topmenu-layout .nav-group {
    display: flex;
    align-items: center;
  }
  
  .topmenu-layout .nav-group-title {
    display: none;
  }
  
  .topmenu-layout .nav-item {
    width: auto;
    padding: 10px 15px;
  }
  
  .topmenu-layout .main-content {
    margin-left: 0;
  }
}